19901344

素因数分解:

$2^5\times {\mathrm{569}}^1\times {\mathrm{1093}}^1$

素因数の和:1672

約数の個数: 24

約数和(自身を含む): 39285540

約数和(自身を除く): 19384196

約数列:

[1, 2, 4, 8, 16, 32, 569, 1093, 1138, 2186, 2276, 4372, 4552, 8744, 9104, 17488, 18208, 34976, 621917, 1243834, 2487668, 4975336, 9950672, 19901344]

約数ペア:

[(1, 19901344), (2, 9950672), (4, 4975336), (8, 2487668), (16, 1243834), (32, 621917), (569, 34976), (1093, 18208), (1138, 17488), (2186, 9104), (2276, 8744), (4372, 4552)]